TREES AND SHRUBS 



Ci-Ass I Dicotyledons 



Division IV. . . . Incompletce 

 Natural Order . . . Juglandece 



Trees with alternate, pinnate, exstipulate leaves ; Flowers uni-sexual, 

 inconspicuous ; 31ales in catkins ; Cahjx irregular, 2 6-partite, or a single scale ; 

 Stamens 3 or many ; Females solitary or a terminal cluster ; Calyx regular, 

 8-5-lobed; Omry inferior, imperfectly 2-4-celled, w^ith a single ovule; Fruit a kind 

 of drupe, 2-valved, 1 seed with large oily cotyledons, divided into 2 or 4 

 lobes. 



Distinguished from Cupulifera? chiefly by the solitary ovule, and in the 

 absence of a cupule. 



SHELL-BARK HICKORY, Canja alba. 



Parks, gardens. May. Needs good loamy soil ; very impatient of removal. 

 I'ropagated by nuts sown where trees are intended to remain. 



Flowers greenish ; Males in threes at base of shoots of same year, peduncled, 

 glabrous ; Perianth adnate to bracts, 2-3-lobed, middle lobe linear, much longer 

 than laterals ; Stamens 3-10, filaments short ; Females 2-6 on terminal peduncles ; 

 Perianth 4-toothed, petals 0, styles 2-4 ; Fruit a nut, globose or depressed, li 

 in. long, husk thick, freely splitting at base into four valves ; nut greyish-white, 

 angled, barely nmcronate, 4-celled, sweet, shell somewhat thin. 



Leaves alternate, imparipinnate, exstipulate, leaflets 5-9, lower ones oblong- 

 lanceolate, upper obovate-lanceolate, sessile, acuminate, narrow or rounded at 

 base, finely serrate, pubescent, fragrant. Autumn tint golden-yellow. 



A deciduous shrub or tree, 50-80 ft. ; Tivigs tomentose-pubescent, fragrant 

 when cruslied ; Bark rough ; Bud-scales very large ; Wood hard, close-grained, 

 elastic ; used in carriage-building. 



Native of U.S.A. and Canada; introduced 1G29. Syn. Hicoria uvata. 



Aboriginal name Hico7'i. 



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